The Lawson Grid for Landmark

Host

A host is a server machine that is participating in a grid. The host may be a physical or a virtual machine.

Grid Agent

The grid agent is a service-like application that the grid uses to start all nodes that are configured to run on the host. Each host needs a grid agent for each grid it is a member of.

Node

A node is a JVM that is registered as being part of a grid where grid applications are running. The Lawson Grid for Landmark typically has several nodes running different Landmark component applications. All nodes run on the grid host.

For more information about Landmark nodes, see Landmark Grid Node Types and Application Modules.

Registry

The registry is a special type of node that is needed when new nodes are started. A grid has exactly one registry.

Router

A router acts as a well-defined entry point that client applications can connect to. A router is configured to listen for client requests on a given network interface and port number. Normally, the selected port number has to be made accessible through firewalls, when applicable, since it must be reachable from clients. The default name for the grid router for Landmark is Landmark - YourLandmarkEnvName .

Administrative Router

A special router used for administrative purposes.